Ensitrelvir - Shionogi
Alternative Names: Ensitrelvir fumarate - Shionogi; Ensitrelvir fumaric acid - Shionogi; S-217622; SARS-CoV2 3C-like protease inhibitor - Shionogi; XocovaLatest Information Update: 23 May 2025
At a glance
- Originator Hokkaido University; Shionogi
- Developer Juniper Therapeutics; Shionogi
- Class Amines; Antivirals; Chlorine compounds; Fluorobenzenes; Indazoles; Ketones; Small molecules; Triazines; Triazoles
- Mechanism of Action Coronavirus 3C-like proteinase inhibitors
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Orphan Drug Status
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Marketed COVID 2019 infections
- Clinical Phase Unknown Post acute COVID 19 syndrome
Most Recent Events
- 03 Apr 2025 Shionogi completes a phase I drug-drug interaction trial (In volunteers) in USA (PO, Tablet) (NCT06775730)
- 01 Apr 2025 Preregistration for COVID-2019 infections (In adolescents, In the elderly, Prevention, In adults) in USA (PO)
- 01 Apr 2025 Ensitrelvir - Shionogi receives Fast Track designation for COVID-2019 infections (Prevention) in USA (PO), Before April 2025